Search Results - "Dodbiba, Edra"

Degradation Study of Carnosic Acid, Carnosol, Rosmarinic Acid, and Rosemary Extract (Rosmarinus officinalis L.) Assessed Using HPLC by Zhang, Ying, Smuts, Jonathan P, Dodbiba, Edra, Rangarajan, Rekha, Lang, John C, Armstrong, Daniel W

“…Rosemary, whose major caffeoyl-derived and diterpenoid ingredients are rosmarinic acid, carnosol, and carnosic acid, is an important source of natural…”
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Mechanisms of ESI-MS Selectivity and Sensitivity Enhancements When Detecting Anions in the Positive Mode Using Cationic Pairing Agents by Breitbach, Zachary S, Wanigasekara, Eranda, Dodbiba, Edra, Schug, Kevin A, Armstrong, Daniel W

“…Recently, we have shown that dilute multivalent cationic reagents can be paired with analyte anions in ESI-MS, thereby allowing them to be detected in the…”
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Sensitive analysis of metal cations in positive ion mode electrospray ionization mass spectrometry using commercial chelating agents and cationic ion-pairing reagents by Dodbiba, Edra, Xu, Chengdong, Wanigasekara, Eranda, Armstrong, Daniel W.

“…Metals play a very important role in many scientific and environmental fields, and thus their detection and analysis is of great necessity. A simple and very…”
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Metal cation detection in positive ion mode electrospray ionization mass spectrometry using a tetracationic salt as a gas-phase ion-pairing agent: Evaluation of the effect of chelating agents on detection sensitivity by Xu, Chengdong, Dodbiba, Edra, Padivitage, Nilusha L. T., Breitbach, Zachary S., Armstrong, Daniel W.

“…RATIONALE The detection of metal cations continues to be essential in many scientific and industrial areas of interest. The most common electrospray ionization…”
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Positive mode electrospray ionization mass spectrometry of bisphosphonates using dicationic and tricationic ion-pairing agents by Warnke, Molly M., Breitbach, Zachary S., Dodbiba, Edra, Crank, Jeffrey A., Payagala, Tharanga, Sharma, Pritesh, Wanigasekara, Eranda, Zhang, Xiaotong, Armstrong, Daniel W.

“…A general method for detecting bisphosphonate drugs by ESI-MS and LC–ESI-MS as positive ions has been developed. Bisphosphonates can have multiple negative…”
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Coupling solid-phase microextraction and laser desorption ionization for rapid identification of biological material by Perera, Sirantha, Berthod, Alain, Dodbiba, Edra, Armstrong, Daniel W.

“…RATIONALE Solid phase microextraction (SPME) use small fibers directly plunged in the solution under investigation to quickly extract and quantify by different…”
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Enantiomeric separations of illicit drugs and controlled substances using cyclofructan-based (LARIHC) and cyclobond I 2000 RSP HPLC chiral stationary phases by Padivitage, Nilusha L.T., Dodbiba, Edra, Breitbach, Zachary S., Armstrong, Daniel W.

“…Recently a novel class of chiral stationary phases (CSPs) based on cyclofructan (CF) has been developed. Cyclofructans are cyclic oligosaccharides that possess…”
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Evaluation of tetracationic salts as gas-phase ion-pairing agents for the detection of trivalent anions in positive mode electrospray ionization mass spectrometry by Zhang, Xiaotong, Wanigasekara, Eranda, Breitbach, Zachary S., Dodbiba, Edra, Armstrong, Daniel W.

“…In previous studies, new electrospray ionization mass spectrometry (ESI‐MS) approaches were developed for the highly sensitive detection of singly and doubly…”
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Use of ion pairing reagents for sensitive detection and separation of phospholipids in the positive ion mode LC-ESI-MS by Dodbiba, Edra, Xu, Chengdong, Payagala, Tharanga, Wanigasekara, Eranda, Moon, Myeong Hee, Armstrong, Daniel W

“…Phospholipids make up one of the more important classes of biological molecules. Because of their amphipathic nature and their charge state (e.g., negatively…”
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Detection of nucleotides in positive-mode electrospray ionization mass spectrometry using multiply-charged cationic ion-pairing reagents by Dodbiba, Edra, Breitbach, Zachary S, Wanigasekara, Eranda, Payagala, Tharanga, Zhang, Xiaotong, Armstrong, Daniel W

“…Nucleotides are a class of molecules that play an essential role in biological systems. A new method has been developed in the detection of nucleotides. These…”
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Anion detection in the positive ion mode electrospray ionization mass spectrometry by use of cationic ion pairing agents: Behavior and applications by Dodbiba, Edra

“…Anion detection and quantitation has long been of great interest to many scientific areas of research in academic and industrial settings. Their importance…”
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The Evaluation and Comparison of Trigonal and Linear Tricationic Ion-Pairing Reagents for the Detection of Anions in Positive Mode ESI-MS by Warnke, Molly M., Breitbach, Zachary S., Dodbiba, Edra, Wanigasekara, Eranda, Zhang, Xiaotong, Sharma, Pritesh, Armstrong, Daniel W.

“…A general and sensitive method for detecting divalent anions by ESI-MS and LC/ESI-MS as positive ions has been developed. The anions are paired with…”
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The enantiomeric separation of 4,5-disubstituted imidazoles by HPLC and CE using cyclodextrin-based chiral selectors by Breitbach, Zachary S., Feng, Qing, Koswatta, Panduka B., Dodbiba, Edra, Lovely, Carl J., Armstrong, Daniel W.

“…The enantiomeric separation of a series of fifteen racemic 4,5-disubstituted imidazole compounds was examined by high performance liquid chromatography (HPLC)…”
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Article: The Evaluation and Comparison of Trigonal and Linear Tricationic Ion-Pairing Reagents for the Detection of Anions in Positive Mode ESI-MS by Warnke, Molly M, Breitbach, Zachary S, Dodbiba, Edra, Wanigasekara, Eranda, Zhang, Xiaotong, Sharma, Pritesh, Armstrong, Daniel W

“…A general and sensitive method for detecting divalent anions by ESI-MS and LC/ESI-MS as positive ions has been developed. The anions are paired with…”
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